void GetResponse(MemoryStream responseStream, out HttpPacket header, int readTimeout)
{
int bytes = 0;
byte[] responseBuffer = new byte[2048];
bool bContinue = false;
// read response
do
{
DateTime startTime = DateTime.Now;
IAsyncResult result = _networkStream.BeginRead(responseBuffer, 0, responseBuffer.Length);
// wait for bytes received, stop event or timeout
WaitHandle[] handles;
if (_executionController != null && _executionController.StopEvent != null)
{
handles = new WaitHandle[] { result.AsyncWaitHandle, _executionController.StopEvent };
}
else
{
handles = new WaitHandle[] { result.AsyncWaitHandle };
}
int handle = System.Threading.WaitHandle.WaitAny(handles, readTimeout);
if (handle == WaitHandle.WaitTimeout)
{
_networkStream.Close();
throw new IOException("The HTTP request has exceeded the allotted timeout");
}
if (handle == 1)
{
//System.Diagnostics.Debug.WriteLine("Stop event");
_networkStream.Close();
_executionController.ReportStop();
}
bytes = _networkStream.EndRead(result);
DateTime endTime = DateTime.Now;
//System.Diagnostics.Debug.WriteLine(string.Format("--- Bytes received: {0}", bytes));
responseStream.Write(responseBuffer, 0, bytes);
// timeout for next part of answer
readTimeout -= (int)((endTime - startTime).TotalMilliseconds);
// parse response received by this moment.
try
{
bContinue = HttpHelper.ContinueReading(responseStream, out header);
}
catch (Exception exc)
{
_networkStream.Close();
// clean resources somehow ?
throw new Exception("An error occurred while parsing HTTP packet", exc);
}
if (readTimeout < 0)
{
_networkStream.Close();
throw new IOException("The HTTP request has exceeded the allotted timeout");
}
System.Diagnostics.Debug.WriteLine(string.Format("DataAvailable: {0}, continue: {1} ", _networkStream.DataAvailable, bContinue));
}while (_networkStream.DataAvailable || bContinue);
}
public string SendSoapMessage(string request)
{
// create request bytes
byte[] soapBytes = Encoding.UTF8.GetBytes(request);
// create headers
byte[] httpHeaders = HttpHelper.CreateHttpHeaders(soapBytes.Length,
_address.AbsolutePath,
_address.Host);
//whole message with headers
byte[] bytes = new byte[httpHeaders.Length + soapBytes.Length];
Array.Copy(httpHeaders, bytes, httpHeaders.Length);
Array.Copy(soapBytes, 0, bytes, httpHeaders.Length, soapBytes.Length);
#if DEBUG
//string str = Encoding.UTF8.GetString(bytes);
//System.Diagnostics.Debug.WriteLine(string.Format("SEND: {0}", str));
#endif
RequestNetworkStream _networkStream = new RequestNetworkStream(new EndpointAddress(_address.OriginalString));
_networkStream.Connect();
_networkStream.Write(bytes, 0, bytes.Length);
MemoryStream responseStream = new MemoryStream();
byte[] responseBuffer = new byte[2048];
int readTimeout = _timeout;
int bytesCount = 0;
bool bContinue = false;
HttpPacket header = null;
do
{
DateTime startTime = DateTime.Now;
IAsyncResult result = _networkStream.BeginRead(responseBuffer, 0, responseBuffer.Length);
// wait for bytes receied, stop event or timeout
WaitHandle[] handles;
if (_executionController != null && _executionController.StopEvent != null)
{
handles = new WaitHandle[] { result.AsyncWaitHandle, _executionController.StopEvent };
}
else
{
handles = new WaitHandle[] { result.AsyncWaitHandle };
}
int handle = System.Threading.WaitHandle.WaitAny(handles, readTimeout);
if (handle == WaitHandle.WaitTimeout)
{
_networkStream.Close();
throw new IOException("The HTTP request has exceeded the allotted timeout");
}
if (handle == 1)
{
System.Diagnostics.Debug.WriteLine("Stop event");
_networkStream.Close();
_executionController.ReportStop();
}
bytesCount = _networkStream.EndRead(result);
DateTime endTime = DateTime.Now;
System.Diagnostics.Debug.WriteLine(string.Format("--- Bytes received: {0}", bytesCount));
responseStream.Write(responseBuffer, 0, bytesCount);
// timeout for next part of answer
readTimeout -= (int)((endTime - startTime).TotalMilliseconds);
// parse response received by this moment.
try
{
bContinue = HttpHelper.ContinueReading(responseStream, out header);
}
catch (Exception exc)
{
_networkStream.Close();
// clean resources somehow ?
throw new Exception("An error occurred while parsing HTTP packet", exc);
}
if (readTimeout < 0)
{
_networkStream.Close();
throw new IOException("The HTTP request has exceeded the allotted timeout");
}
}while (_networkStream.DataAvailable || bContinue);
_networkStream.Close();
int count = (int)responseStream.Length - header.BodyOffset;
if (header.ContentLength < count)
{
throw new HttpProtocolException(
string.Format("An error occurred while receiving packet. Expected length: {0}, received: {1}",
header.ContentLength, count));
}
// parse response and notify listeners
string response = HttpHelper.GetFormattedMessage(responseStream.GetBuffer(), header.BodyOffset);
responseStream.Close();
return(response);
}